import axios from 'axios'
import { Notification, MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'
import errorCode from '@/utils/errorCode'
import { tansParams } from "@/utils/sinosoft";

axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'
import {axiosCode} from "../utils/axiosCode"
// 创建axios实例
const service = axios.create({
  // axios中请求配置有baseURL选项，表示请求URL公共部分
  baseURL: process.env.VUE_APP_BASE_API,
  // 超时
  // timeout: 10000,
//   timeout: 300000,
  timeout: 300000,
})

// request拦截器
service.interceptors.request.use(config => {
  // 是否需要设置 token
  const isToken = (config.headers || {}).isToken === false
  if (getToken() && !isToken) {
    config.headers['Authorization'] = 'Bearer ' + getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
  }
  // 下载zip 设置blob类型
  if(config.url == '/bmps-common-query/imageinput/downloadimageinfo'){
      config.responseType = 'blob'
  }
  // get请求映射params参数
  if (config.method === 'get' && config.params) {
    let url = config.url + '?';
    for (const propName of Object.keys(config.params)) {
      const value = config.params[propName];
      var part = encodeURIComponent(propName) + "=";
      if (value !== null && typeof(value) !== "undefined") {
        if (typeof value === 'object') {
          for (const key of Object.keys(value)) {
            let params = propName + '[' + key + ']';
            var subPart = encodeURIComponent(params) + "=";
            url += subPart + encodeURIComponent(value[key]) + "&";
          }
        } else {
          url += part + encodeURIComponent(value) + "&";
        }
      }
    }
    url = url.slice(0, -1);
    config.params = {};
    config.url = url;
  }
  return config
}, error => {
    console.log(error)
    Promise.reject(error)
})

// 响应拦截器
service.interceptors.response.use(res => {
    // 未设置状态码则默认成功状态
    const code = res.data.code || 200;
    // 获取错误信息
    const msg = errorCode[code] || res.data.msg || errorCode['default']
    if (code === 401) {
      MessageBox.confirm('登录状态已过期，您可以继续留在该页面，或者重新登录', '系统提示', {
          confirmButtonText: '重新登录',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).then(() => {
        store.dispatch('LogOut').then(() => {
          location.href = '/index';
        })
      }).catch(() => {});
    } else if (code === axiosCode.axiosError||code === 600||code === "600") {
      let arr= msg.split('#');
      let oldMsg = msg;
      if(arr.length>1){
        let newMsg='';
        for(let i=0;i<arr.length;i++){
          if(i==arr.length-1){
            newMsg=newMsg+(i+1)+'.'+arr[i]
          }else{
            newMsg=newMsg+(i+1)+'.'+arr[i]+'<br/>'
          }
        }
        oldMsg=newMsg
      }

      Message({
        message: oldMsg,
        type: 'error',
        dangerouslyUseHTMLString: true,
      })
      return Promise.reject(new Error(msg))
    }else if (code === 500||code === "500") {
        // let oldMsg = msg;
        // let arr= msg.split('#');
        // console.log(arr);
        // if(arr.length>1){
        //   let newMsg='';
        //   for(let i=0;i<arr.length;i++){
        //     if(i==arr.length-1){
        //       newMsg=newMsg+(i+1)+'.'+arr[i]
        //     }else{
        //       newMsg=newMsg+(i+1)+'.'+arr[i]+'<br/>'
        //     }
        //   }
        //   oldMsg=newMsg
        // }
        Message({
            dangerouslyUseHTMLString: true,
            message: '系统异常，请联系管理员！',
            type: 'error',
        })
        return Promise.reject(new Error(msg))
    } else if (code === axiosCode.axios_1001||code === '1001'||code === 1001) {
        return res.data
    }else if (code === axiosCode.axios_1002||code === '1002'||code === 1002||code === 101||code === "101") { 
        return res.data
    } else if (code !== 200 && code !== 1001 && code !== 1002 && code !== 101) {
      Notification.error({
        title: msg
      })
      return Promise.reject('error')
    }else if(code==axiosCode.axiosSuccess||code==200||code=="200"){
      return res.data
    }else {
      return res.data
    }
  },
  error => {
    console.log('err' + error)
    let { message } = error;
    if (message == "Network Error") {
      message = "后端接口连接异常";
    }
    else if (message.includes("timeout")) {
      message = "系统接口请求超时";
    }
    else if (message.includes("Request failed with status code")) {
      message = "系统接口" + message.substr(message.length - 3) + "异常";
    }
    Message({
      message: message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

// 通用下载方法
export function download(url, params, filename, typefrom, timeout) {
  let time;
  if(!timeout){
    time = 300000;
  }else {
    time = timeout;
  }
  return service.post(url, params, {
    transformRequest: [(params) => {
      return tansParams(params)
    }],
    headers: {
        'Content-Type': 'application/x-www-form-urlencoded'
    },
    timeout: time,
    responseType: 'blob'
  }).then((data) => {
    if(parseInt(data.size)<parseInt(200) && typefrom!='templateDownload'){
      if(new FileReader()&&(typefrom=='policyprinting'||typefrom=="Retype")){
        var reader = new FileReader()
        let _this=this
        reader.readAsText(data, 'utf-8')
        reader.onload = function(){
          const newRes = JSON.parse(reader.result)
          _this.$alert(newRes.msg)
        }
      }else{
        if(typefrom=='policyprinting'){
          this.$alert('打印失败，请确认录入内容是否正确！')
         } else{
          this.$alert('暂无可导出数据')
      }
      return;
      }   
    }
    else{
        const content = data
        const blob = new Blob([content])
        if('msSaveOrOpenBlob' in navigator){
            window.navigator.msSaveOrOpenBlob(blob, filename)
            return;
        }
        if ('download' in document.createElement('a')) {
        const elink = document.createElement('a')
        elink.download = filename
        elink.style.display = 'none'
        elink.href = URL.createObjectURL(blob)
        document.body.appendChild(elink)
        elink.click()
        URL.revokeObjectURL(elink.href)
        document.body.removeChild(elink)
        } else {
        navigator.msSaveBlob(blob, filename)
        }
    }
  }).catch((r) => {
    console.error(r)
  })
}


export default service
